Honkai: Star Rail Dan Heng Imbibitor Lunae E2 Build and Teams

To maximize Dan Heng • Imbibitor Lunae at Eidolon 2 (E2) in Honkai: Star Rail, execute back-to-back level 3 Enhanced Basic Attacks (Fulgurant Leap) by chaining a 3-Skill-Point (SP) attack directly into his Ultimate. Eidolon 2 grants an immediate 100% Action Advance upon casting his Ultimate alongside an extra stack of Squama Sacrosancta, enabling a second 3-SP strike with little to no actual Skill Point drain.

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Executing the E2 Burst Rotation

Imbibitor Lunae stacks self-buffs (Outrage and Dominance) across each hit of his multi-strike basic attack, scaling his raw damage and Critical DMG. At E2, the core objective is cycling his Ultimate rapidly so he can execute double-turn bursts without stalling team SP reserves.

Follow this standard turn sequence:

Spend 3 SP to activate Fulgurant Leap.
Trigger his Ultimate immediately after or mid-turn once Energy caps out.
Take the 100% Action Advance granted by Eidolon 2.
Spend Squama Sacrosancta stacks provided by the Ultimate and E2 bonus to cast a second Fulgurant Leap for zero or minimal SP.

Ensure your initial 3-SP attack generates enough Energy to cap his Ultimate. Triggering the Action Advance when team SP is depleted and Squama Sacrosancta stacks are absent forces you to cast an un-enhanced basic attack, wasting the turn reset.

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Team Building: Sparkle vs. SP-Positive Lineups

Imbibitor Lunae's team composition depends on whether you have Sparkle to sustain his massive SP draw.

Archetype	Primary Buffer	Secondary Support	Sustain	Focus
Sparkle Hypercarry	Sparkle	Tingyun or Robin	Aventurine or Huohuo	Expands SP cap to 7; preserves Crit DMG buff across E2 double turns
SP Battery Core	Tingyun	Hanya	Luocha or Gallagher	High basic-attack SP generation with fast Energy cycling
Defense Shred	Pela	Silver Wolf or Tingyun	Luocha	SP-positive debuffing to amplify burst damage

Playing with Sparkle

Sparkle is his ideal partner because her talent expands the team SP ceiling to 7 and her Ultimate generates bursts of Skill Points. When timed properly, her Critical DMG buff persists through Imbibitor Lunae’s E2 Action Advance, applying astronomical stat multipliers across both consecutive level 3 basic attacks.

Playing Without Sparkle

Without Sparkle, Tingyun becomes mandatory. Her Ultimate feeds Imbibitor Lunae the Energy required to cycle his own Ultimate, creating Squama Sacrosancta stacks without burning real Skill Points. Fill the remaining slots with strictly SP-positive units such as Pela, Hanya, Luocha, or Gallagher. Only trigger a 3-SP enhancement when you have Squama Sacrosancta active or the team pool holds at least 4 Skill Points.

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Light Cone Rankings

Select Light Cones that provide unconditional base stats, Critical Rate, or Energy Regeneration:

Brighter Than the Sun (5-Star Signature): The top option. Provides base Critical Rate and stacks the Dragonsong buff via basic attacks, increasing ATK and Energy Regeneration Rate to smooth out E2 Ultimate rotations.
On the Fall of an Aeon (5-Star Herta Shop): The premier free-to-play choice. At Superimposition 5, it stacks significant ATK on hit and adds a damage boost upon inflicting Weakness Break.
Under the Blue Sky (4-Star): A strong budget alternative that provides passive ATK and a flat Critical Rate boost after defeating an enemy.

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Relic Sets and Stat Targets

Equip relic sets that reward his high-frequency basic attacks and reach the critical threshold required for planar bonuses.

Relic Sets

Wastelander of Banditry Desert (4-Piece): Best against Imaginary-weak enemies. Offers a 10% Imaginary DMG bonus, a 10% Critical Rate boost against debuffed foes, and 20% Critical DMG against Imprisoned targets.
Musketeer of Wild Wheat (4-Piece): A consistent generalist set granting ATK, a 6% Speed bonus, and a 10% Basic Attack DMG increase.
Rutilant Arena (2-Piece Planar Ornament): Mandatory planar choice. Reaching 70% Critical Rate activates an unconditional 20% damage boost to his Basic Attacks.

Main Stats and Substats

Body: Critical Rate or Critical DMG (prioritize reaching 70% in-combat Crit Rate).
Feet: ATK% (or Speed if tuning before specific support thresholds).
Planar Sphere: Imaginary DMG.
Link Rope: ATK% (substitute an Energy Regeneration Rate rope if running without Tingyun or his signature cone to preserve Ultimate cadence).
Substat Priority: Critical Rate / Critical DMG > ATK% > Speed > Break Effect.